{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:55.516160", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2018-Jan-02_to_2018-Jan-05_125.5_-32.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2018010001361}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "January 02 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2018"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 260923.46150662765}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Great Australian Bight"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -32.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 125.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 119.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-01-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.97, -28.97], [119.32, -28.82], [119.47, -28.47], [120.0, -28.25], [120.25, -28.35], [120.5, -28.25], [120.75, -28.35], [121.0, -28.25], [121.53, -28.47], [121.68, -28.82], [121.75, -28.85], [122.0, -28.75], [122.53, -28.97], [122.68, -29.32], [123.03, -29.47], [123.25, -30.0], [123.03, -30.53], [122.68, -30.68], [122.53, -31.03], [122.0, -31.25], [121.75, -31.15], [121.5, -31.25], [121.25, -31.15], [121.18, -31.18], [121.03, -31.53], [120.5, -31.75], [119.97, -31.53], [119.82, -31.18], [119.47, -31.03], [119.32, -30.68], [118.97, -30.53], [118.75, -30.0], [118.85, -29.75], [118.75, -29.5], [118.97, -28.97]]]]}, "2018-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.97, -28.97], [119.32, -28.82], [119.47, -28.47], [119.82, -28.32], [119.85, -28.25], [119.82, -28.18], [119.47, -28.03], [119.25, -27.5], [119.47, -26.97], [120.0, -26.75], [120.53, -26.97], [120.68, -27.32], [120.75, -27.35], [121.0, -27.25], [121.53, -27.47], [121.68, -27.82], [122.0, -27.96], [122.5, -27.75], [122.75, -27.85], [123.0, -27.75], [123.53, -27.97], [123.68, -28.32], [123.75, -28.35], [124.0, -28.25], [124.25, -28.35], [124.5, -28.25], [124.75, -28.35], [125.0, -28.25], [125.53, -28.47], [125.68, -28.82], [126.03, -28.97], [126.18, -29.32], [126.53, -29.47], [126.68, -29.82], [127.03, -29.97], [127.18, -30.32], [127.53, -30.47], [127.75, -31.0], [127.65, -31.25], [127.75, -31.5], [127.53, -32.03], [127.18, -32.18], [127.15, -32.25], [127.25, -32.5], [127.03, -33.03], [126.5, -33.25], [126.25, -33.15], [126.0, -33.25], [125.75, -33.15], [125.5, -33.25], [125.25, -33.15], [125.0, -33.25], [124.75, -33.15], [124.68, -33.18], [124.65, -33.25], [124.75, -33.5], [124.53, -34.03], [124.18, -34.18], [124.03, -34.53], [123.5, -34.75], [122.97, -34.53], [122.75, -34.0], [122.85, -33.75], [122.75, -33.5], [122.85, -33.25], [122.75, -33.0], [122.85, -32.75], [122.75, -32.5], [122.85, -32.25], [122.82, -32.18], [122.47, -32.03], [122.32, -31.68], [121.97, -31.53], [121.82, -31.18], [121.75, -31.15], [121.5, -31.25], [121.25, -31.15], [121.18, -31.18], [121.03, -31.53], [120.5, -31.75], [119.97, -31.53], [119.82, -31.18], [119.47, -31.03], [119.32, -30.68], [118.97, -30.53], [118.75, -30.0], [118.85, -29.75], [118.75, -29.5], [118.97, -28.97]]]]}, "2018-01-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.97, -28.97], [119.32, -28.82], [119.47, -28.47], [119.82, -28.32], [119.85, -28.25], [119.82, -28.18], [119.47, -28.03], [119.25, -27.5], [119.47, -26.97], [120.0, -26.75], [120.53, -26.97], [120.68, -27.32], [120.75, -27.35], [121.0, -27.25], [121.53, -27.47], [121.68, -27.82], [122.0, -27.96], [122.5, -27.75], [122.75, -27.85], [123.0, -27.75], [123.53, -27.97], [123.68, -28.32], [123.75, -28.35], [124.0, -28.25], [124.25, -28.35], [124.5, -28.25], [124.75, -28.35], [125.0, -28.25], [125.53, -28.47], [125.68, -28.82], [126.03, -28.97], [126.18, -29.32], [126.53, -29.47], [126.68, -29.82], [127.03, -29.97], [127.18, -30.32], [127.53, -30.47], [127.75, -31.0], [127.65, -31.25], [127.75, -31.5], [127.53, -32.03], [127.18, -32.18], [127.15, -32.25], [127.25, -32.5], [127.03, -33.03], [126.5, -33.25], [126.25, -33.15], [126.0, -33.25], [125.75, -33.15], [125.5, -33.25], [125.25, -33.15], [125.0, -33.25], [124.75, -33.15], [124.68, -33.18], [124.65, -33.25], [124.75, -33.5], [124.53, -34.03], [124.18, -34.18], [124.03, -34.53], [123.5, -34.75], [122.97, -34.53], [122.75, -34.0], [122.85, -33.75], [122.75, -33.5], [122.85, -33.25], [122.75, -33.0], [122.85, -32.75], [122.75, -32.5], [122.85, -32.25], [122.82, -32.18], [122.47, -32.03], [122.32, -31.68], [121.97, -31.53], [121.82, -31.18], [121.75, -31.15], [121.5, -31.25], [121.25, -31.15], [121.18, -31.18], [121.03, -31.53], [120.5, -31.75], [119.97, -31.53], [119.82, -31.18], [119.47, -31.03], [119.32, -30.68], [118.97, -30.53], [118.75, -30.0], [118.85, -29.75], [118.75, -29.5], [118.97, -28.97]]]]}, "2018-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[119.25, -27.5], [119.47, -26.97], [120.0, -26.75], [120.53, -26.97], [120.68, -27.32], [120.75, -27.35], [121.0, -27.25], [121.53, -27.47], [121.68, -27.82], [122.0, -27.96], [122.5, -27.75], [122.75, -27.85], [123.0, -27.75], [123.53, -27.97], [123.68, -28.32], [123.75, -28.35], [124.0, -28.25], [124.25, -28.35], [124.5, -28.25], [124.75, -28.35], [125.0, -28.25], [125.53, -28.47], [125.68, -28.82], [126.03, -28.97], [126.18, -29.32], [126.53, -29.47], [126.68, -29.82], [127.03, -29.97], [127.18, -30.32], [127.53, -30.47], [127.75, -31.0], [127.65, -31.25], [127.75, -31.5], [127.53, -32.03], [127.18, -32.18], [127.15, -32.25], [127.25, -32.5], [127.03, -33.03], [126.5, -33.25], [126.25, -33.15], [126.0, -33.25], [125.75, -33.15], [125.5, -33.25], [125.25, -33.15], [125.0, -33.25], [124.75, -33.15], [124.68, -33.18], [124.65, -33.25], [124.75, -33.5], [124.53, -34.03], [124.18, -34.18], [124.03, -34.53], [123.5, -34.75], [122.97, -34.53], [122.75, -34.0], [122.85, -33.75], [122.75, -33.5], [122.85, -33.25], [122.75, -33.0], [122.85, -32.75], [122.75, -32.5], [122.85, -32.25], [122.82, -32.18], [122.47, -32.03], [122.32, -31.68], [121.97, -31.53], [121.82, -31.18], [121.47, -31.03], [121.32, -30.68], [121.25, -30.65], [121.0, -30.75], [120.75, -30.65], [120.5, -30.75], [119.97, -30.53], [119.75, -30.0], [119.85, -29.75], [119.75, -29.5], [119.85, -29.25], [119.75, -29.0], [119.85, -28.75], [119.75, -28.5], [119.85, -28.25], [119.82, -28.18], [119.47, -28.03], [119.25, -27.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.90676235212402}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.9213827065684175}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.270693366306716, 32.91237965723457, 34.35737720246516, 32.68768100707797]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.22569580501903, 36.026991200940586, 37.295300960811915, 36.84970640023465]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.386305773381423, 7.552370539880462, 8.979861709699898, 7.537336599280332]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.228417970052931, 11.485687800802907, 13.90676235212402, 11.232530719301053]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5145390173981397, 1.9510018024600904, 2.334221831221638, 1.9789689153111683]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7446331807278732, 2.9962581159569837, 3.8919687971223524, 3.0574018721203324]}}